ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,879, issued on April 29, was assigned to AOB Products Co. (Columbia, Mo.).

"Knife having removable blade" was invented by Dennis W. Cauley Jr. (Fayette, Mo.), James Tayon (Moberly, Mo.), Michael Cottrell (Ashland, Mo.), Justin Burke (Columbia, Mo.), Brian Steere (Columbia, Mo.), Kyle Martin (Columbia, Mo.), Anthony Vesich (Columbia, Mo.), Matthew Kinamore (Columbia, Mo.), Seth Wheeler (Columbia, Mo.), Michael Lindsay (Columbia, Mo.), Ryan Varnum (Columbia, Mo.), Curtis Smith (Columbia, Mo.), Josh Neville (Columbia, Mo.), Mark Dalton (Columbia, Mo.) and Timothy S. Kinney (Warrenton, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A knife comprising...